Machine Wet End TRIZ Cases

Triangular tube bank reduces cross-machine nonuniformities by aligning flow with rectangular nozzle geometry.

A slideably coupled pulse generator adjusts the nip volume to reduce fiber flocculation across varying paper grades and processing speeds.

Grouped longitudinal threads in a woven fabric inhibit visible hydraulic markings while maintaining planarity and dimensional stability.

Variable permeability zones in the fabric control fiber accumulation to produce complex watermarks, avoiding mask wear issues.

Pivoting impingement shoe optimizes drainage length to resolve sheet formation quality issues caused by varying stock consistency.

Segmented longitudinal thread layers balance high fiber support with rapid dewatering, reducing paper web moisture content.

Inverting spiral void width to exceed height reduces air permeability and weight while increasing heat transfer during paper drying.

Axially spaced sensors on a sensing roll generate periodic signals to identify tracking segments, resolving nip pressure variability in papermaking.

Segmented drainage shoes with varying wrap angles resolve the trade-off between sheet formation quality and fines retention in twin fabric papermaking machines.

Lower surface side wefts form long crimps over multiple warps, dispersing wear while maintaining water drainage in papermaking wires.

Opposing diagonal twill vectors balance directional forces, easing paper machine guidance while preserving sheet building capability.

Circular holes in the wearing construction extend vacuum suction to remove water, preventing plugging and reducing fabric wear compared to narrow slits.

Distinct edge yarns in a fabric belt absorb moisture while resisting thermal damage from heating plates.

A long fine mesh wire supports a fibrous web continuously from formation to the drying section.

Optimizing drainage channel wall roughness to 2.0 μm reduces water flow resistance and prevents paper residue attachment on the wet web.

Undercut grooves and retaining strips clamp ceramic plates, eliminating plastic compounds that cause positional shifts from thermal expansion.

Elastic flaps with zipper tracks align interdigitated seam loops, reducing labor-intensive alignment time during twin-wire machine setup.

Engineered macro-voids in the press fabric impart surface texture to paper while maintaining dewatering efficiency and preventing rewetting.

A pivoting measuring block uses a bogie structure to support sensor devices and reduce wobble in fibre web tension measurement.

A structured forming fabric uses asymmetric warp and weft yarn knuckles to define deep three-dimensional pockets on the web facing side.

A vacuum draw system uses a moveable patterned gate to apply oscillating pull forces for fiber redistribution.

A continuous band replaces multiple rollers to simplify assembly and reduce maintenance costs in paper machine fabric changing systems.

A fourdrinier wet part forming section uses a couch roll with attached fabric mesh to transfer a wet fiber web toward a pressing zone.

Inorganic-coated resin particles prevent detachment during web formation, ensuring uniform fiber distribution without water.

Segmented carbon fibre composite modules with sealed profiles reduce storage space and simplify repair of long monitoring beams.

A perforated plastic watermark insert integrates with a carrier screen to generate high-contrast two-stage motifs using distinct elevations and depressions.

Diffusion section expands airflow cross-section to disperse fibers, preventing screen clogging and improving sheet texture.

Integral fluid reservoir applies a lubricating water film to the felt before vacuum extraction, eliminating nozzle plugging and reducing friction wear.

A rotating remover targets high-dust areas on the cleaning roller, improving productivity without increasing device complexity.

An axis driver shifts a supply pipe axis relative to a branch portion to optimize airflow distribution and prevent pulp agglomerates.

An optimized intermediate channel length and cross-sectional ratio stabilizes fiber orientation while reducing energy consumption in papermaking headboxes.

A manufacturing device applies security elements to a paper web using independent feed and application modules for flexible positioning.

A curvilinear dewatering zone applies increasing pressure to pulp suspension between twin wires.

Silica glass beads disperse within polymer matrices to boost abrasion resistance by twenty percent while maintaining break strength.

Adjustable angle and height dewatering foil blades control fiber orientation in Fourdrinier papermaking machines.

Absorbent connection elements concentrate laser energy during transmission welding, preventing heat damage to woven threads and maintaining tensile strength.

A two-layer fabric uses warp binding yarns with alternating surface designs to resolve wear resistance versus pliability trade-offs.

Rotary guide roll maintains fabric tension after the press nip, reducing web breaks and costs by replacing expensive suction felt rolls.

A permeable belt press system extends the nip length to enhance dewatering efficiency in tissue manufacturing.

A fibrous web forming device uses a multilayer headbox to discharge simultaneous stock suspension plies onto fabric belts.

A sheet former adjusts wire cylinder surface area to regulate solid component discharge for uniform thickness.

Opposing Coanda nozzles create local tension to regulate the contour of a moving flexible web.

A pulp molding robot transfer device uses vacuum chucks to hold wet pulp and products simultaneously.

Three-dimensional cavities on the belt prevent fiber compression during dewatering, reducing drying energy while maintaining high bulk.

A multiaxial carrier conveyor belt embeds composite layers in a water-impermeable matrix to form a stable paper contact surface.

Segmenting full-width windows into microwindows under 50% thread width enables complex motif creation while maintaining thread visibility.

Triple-layer papermaking fabric uses asymmetric cross-direction yarn stitching to stabilize machine direction alignment and extend surface life against wear.

Asymmetric binding yarns prevent diagonal hydration marks by balancing concave and convex forces in industrial fabrics.

Co-extruded elastic strands in a bicomponent mesh provide compressibility and resiliency, reducing sheet marking and vibration during paper machine pressing.